Perhaps you should try some spelling variations:
estimation algorithms » estimation algorithm, optimization algorithms, optimisation algorithm
parameter estimation » parameter estimates, parameter optimization
can algorithm » adam algorithm, _ algorithm, mom algorithm
code lich » cong lich
lich can » dich can, lich han, tich can

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (( code lich can algorithm ) or ( modified parameter estimation algorithms ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( code lich can algorithm ) OR ( modified parameter estimation algorithms ))*.